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Maths A-level > Stats: Large Data Set > Flashcards

Stats: Large Data Set Flashcards

1
Q

Name the five UK Weather Stations in the large data set.

A

Leeming, Leuchars, Heathrow, Hurn, Camborne

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2
Q

Name the three overseas Weather Stations in the large data set.

A

Jacksonville (US)
Perth (AU)
Beijing (China)

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3
Q

Which weather station is most Northern?

A

Leuchars (Scotland)

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4
Q

Which weather station is most Southern?

A

Perth (AU)

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5
Q

How many weather stations in the large data set are in the Southern hemisphere? What are they?

A

1, Perth

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6
Q

How many weather stations in the large data set are in the Northern hemisphere? What are they?

A

7, Leuchars, Leeming, Heathrow, Hurn, Camborne, Jacksonville, Beijing

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7
Q

List the UK weather stations from North to South.

A

Leuchars, Leeming, Heathrow, Hurn, Camborne

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8
Q

What are the 9 variables for which data is recorded at UK weather stations?

A
  • Daily mean temperature
  • Daily total rainfall
  • Daily total sunshine
  • Daily mean wind direction and windspeed
  • Daily maximum gust
  • Daily maximum relative humidity
  • Daily mean cloud cover
  • Daily mean visibility
  • Daily mean pressure
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9
Q

Which four variables are data collected for at overseas weather stations?

A
  • Daily mean temperature
  • Daily total rainfall
  • Daily mean pressure
  • Daily mean windspeed
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10
Q

What unit is daily mean temperature measured in?

A

°C

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11
Q

What unit is daily total rainfall measured in? What does tr mean?

A

mm

- tr means an amount less than 0.05mm

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12
Q

What unit is daily total sunshine measured in?

A

Hours, recorded to the nearest 10th of an hour

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13
Q

What unit is daily mean wind direction and windspeed measured in?

A
  • Direction measured in bearings and cardinal directions.

- Windspeed is measured in knots, then categorised with the beaufort scale.

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14
Q

What unit is daily maximum gust measured in?

A

Knots

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15
Q

What unit is daily maximum relative humidity measured in? Above what point are misty/foggy conditions likely?

A

% of air saturation with water vapour

- Above 95%

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16
Q

What unit is daily mean cloud cover measured in?

A

Oktas, 1/8s of the sky

17
Q

What unit is daily mean visibility measured in?

A

Dm, decametres. the greatest horizontal distance at which an object can be seen in daylight

18
Q

What unit is daily mean pressure measured in?

A

hPa, hectopascals

19
Q

Name an inland weather station.

A

Beijing

20
Q

Name a coastal weather station.

A

Jacksonville, Perth, Leuchars, Camborne

21
Q

Name a weather variable that produces non-quantitative data.

A

Daily mean windspeed

Maths A-level (4 decks)

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